tofsee | d8369336f4c5bab691e2fc846c783ac565c2a935a43ae3d982847cf8321f3a97

General

Target

ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe
Size

11.8MB
MD5

ff7abacc6eb717ab0762f0b2f77bc28a
SHA1

4f52a940cfd2ec6e553f2e1a8a736c990bd65a40
SHA256

d8369336f4c5bab691e2fc846c783ac565c2a935a43ae3d982847cf8321f3a97
SHA512

49ed6f215b007569122e2be67b3e1864656cf0038c127e2035fe1ea6c26d7b6be4f074f7cefdf93892eff8821f4c121d4b69450d6dccf567df953c01c4a49619
SSDEEP

196608:wV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYf:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gynuotma = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2376 netsh.exe

pid	process
2376	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\gynuotma\ImagePath = "C:\\Windows\\SysWOW64\\gynuotma\\ghjkehcu.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2524 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ghjkehcu.exe

pid process

2600 ghjkehcu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ghjkehcu.exe

description pid process target process

PID 2600 set thread context of 2524 2600 ghjkehcu.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2612 sc.exe
2436 sc.exe
2340 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2524	svchost.exe

pid	process
2600	ghjkehcu.exe

description	pid	process	target process
PID 2600 set thread context of 2524	2600	ghjkehcu.exe	svchost.exe

pid	process
2612	sc.exe
2436	sc.exe
2340	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exeghjkehcu.exe

description	pid	process	target process
PID 1972 wrote to memory of 2440	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2440	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2440	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2440	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2564	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2564	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2564	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2564	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2340	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2340	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2340	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2340	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2612	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2612	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2612	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2612	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2436	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2436	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2436	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2436	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2376	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2376	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2376	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2376	1972	ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe	netsh.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe
PID 2600 wrote to memory of 2524	2600	ghjkehcu.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gynuotma\
2⤵
PID:2440

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ghjkehcu.exe" C:\Windows\SysWOW64\gynuotma\
2⤵
PID:2564

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gynuotma binPath= "C:\Windows\SysWOW64\gynuotma\ghjkehcu.exe /d\"C:\Users\Admin\AppData\Local\Temp\ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2340

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gynuotma "wifi internet conection"
2⤵
- Launches sc.exe
PID:2612

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gynuotma
2⤵
- Launches sc.exe
PID:2436

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
2⤵
- Modifies Windows Firewall
PID:2376

C:\Windows\SysWOW64\gynuotma\ghjkehcu.exe
C:\Windows\SysWOW64\gynuotma\ghjkehcu.exe /d"C:\Users\Admin\AppData\Local\Temp\ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ghjkehcu.exe

Filesize
11.9MB

MD5
43c992b0a9a2e9ebac4ddacb2ed27cc3

SHA1
8cea371063b7de6888155477f516bfe9802b6541

SHA256
0727c64a9964adc556fbffe4b08b46f068f6deee0c046f1d37df9ae8c862c067

SHA512
0827b6cf397dba69354d51ce6e7da694ce5f83f51b3a5f717405a64080137723a6c24326e0cd4da18fd2784d3c7649972fab71ec7c3cc197f9adc5e6b53fac4c

Download Submit
memory/1972-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/1972-2-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1972-4-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/1972-7-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/1972-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2524-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2524-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2524-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2524-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2524-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-11-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2600-10-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2600-16-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads